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Latest Great Lakes Marine Forecast by KBUF
Issued 6/30/2026 4:02 PM America/New_York.
Valid through 6/30/2026 11:00 PM America/New_York.
fzus61 kbuf 302002
glflo
expires:202607010300;;183307
open lake forecast for lake ontario
national weather service buffalo ny
402 pm edt tue jun 30 2026
for waters beyond five nautical miles of shore on lake ontario
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a 30.1 inch high will build into the ohio valley and mid
atlantic tonight and wednesday, where it will remain through at
least thursday. a weak 29.9 inch trough will then approach and cross
the lake friday into saturday.
loz062-010300-
lake ontario open waters from the niagara river to hamlin beach-
402 pm edt tue jun 30 2026
.tonight...southwest winds 10 to 15 knots. waves 1 to 2 feet.
.wednesday...southwest winds 10 to 15 knots. waves 1 to 3 feet.
.wednesday night...southwest winds 10 to 15 knots. showers likely
with a chance of thunderstorms in the evening. waves 1 to 3 feet.
.thursday...southwest winds 10 to 15 knots increasing to 15 to
20 knots. waves 1 to 3 feet.
.thursday night...southwest winds 15 to 20 knots becoming west
10 to 15 knots. waves 2 to 4 feet subsiding to 1 to 2 feet.
.friday...west winds 5 to 10 knots becoming southwest. a chance
of showers and thunderstorms. waves 1 to 2 feet.
.saturday...west winds 10 knots or less becoming north. a chance
of showers and thunderstorms during the day, then a chance of
showers saturday night. waves 1 foot or less.
.sunday...northeast winds 10 knots or less. a chance of showers
sunday night. waves 1 foot or less.
winds and waves higher in and near thunderstorms.
$$
(2/3)
Latest Great Lakes Marine Forecast by KDTX
Issued 6/30/2026 4:02 PM America/New_York.
Valid through 7/1/2026 12:15 AM America/New_York.
fzus63 kdtx 302002
glflh
expires:202607010415;;183295
open lake forecast for lake huron
national weather service detroit/pontiac mi
402 pm edt tue jun 30 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a hot and humid air mass maintains residence through
the week with modest south to southwest winds. the central great
lakes will largely remain dry and stable through thursday.
however, the prevailing storm track directed over the northern
great lakes may bring occasional rounds of storms to northern
lake huron.
lhz362-363-010415-
lake huron from presque isle light to sturgeon point mi beyond
5nm off shore-
lake huron from sturgeon point to alabaster mi beyond 5nm off
shore-
402 pm edt tue jun 30 2026
.tonight...southwest winds 10 to 15 knots. areas of fog. waves
2 to 4 feet.
.wednesday...southwest winds 5 to 10 knots. waves 2 to 4 feet.
.wednesday night...south winds 5 to 10 knots becoming southwest
10 to 15 knots after midnight. waves 2 to 4 feet.
.thursday...southwest winds 10 to 15 knots becoming south 5 to
10 knots early in the afternoon. scattered showers in the
morning...then scattered showers and thunderstorms in the
afternoon. waves 2 to 4 feet.
.thursday night...southwest winds 5 to 10 knots early in the
evening becoming light and variable. scattered showers in the
evening. waves 2 to 4 feet subsiding to 1 to 3 feet in the late
evening and overnight.
.friday...light and variable winds becoming southwest 5 to
10 knots late in the morning...then backing to the southeast late
in the afternoon veering to the west late in the evening. a
chance of showers and thunderstorms. waves 2 feet or less.
.saturday...west winds 5 to 10 knots becoming light and variable.
a chance of showers early in the morning. waves 2 feet or less.
.sunday...north winds 5 to 10 knots. waves 2 feet or less.
$$
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Latest Great Lakes Marine Forecast by KDTX
Issued 6/30/2026 4:02 PM America/New_York.
Valid through 7/1/2026 12:15 AM America/New_York.
fzus63 kdtx 302002
glflh
expires:202607010415;;183296
open lake forecast for lake huron
national weather service detroit/pontiac mi
402 pm edt tue jun 30 2026
for waters beyond five nautical miles off shore on lake huron
waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. occasional wave height is the average of
the highest 1/10 of the wave spectrum.
.synopsis...a hot and humid air mass maintains residence through
the week with modest south to southwest winds. the central great
lakes will largely remain dry and stable through thursday.
however, the prevailing storm track directed over the northern
great lakes may bring occasional rounds of storms to northern
lake huron.
lhz462>464-010415-
lake huron from port austin to harbor beach beyond 5nm off shore-
lake huron from harbor beach to port sanilac beyond 5nm off shore-
lake huron from port sanilac to port huron beyond 5nm off shore-
402 pm edt tue jun 30 2026
.tonight...south winds 5 to 10 knots becoming southwest 10 to
15 knots after midnight. waves 2 to 4 feet.
.wednesday...southwest winds 5 to 10 knots backing to the south
in the afternoon. waves 1 to 3 feet.
.wednesday night...southwest winds 5 to 10 knots increasing to
10 to 15 knots after midnight. waves 1 to 3 feet.
.thursday...southwest winds 10 to 15 knots. waves 1 to 3 feet
building to 2 to 4 feet in the late morning and afternoon.
.thursday night...southwest winds 10 to 15 knots becoming west
5 to 10 knots in the late evening and overnight. waves 2 to
4 feet subsiding to 1 to 3 feet in the late evening and
overnight.
.friday...southwest winds 5 to 10 knots backing to the south late
in the afternoon...then veering to the southwest late in the
evening. showers likely and a chance of thunderstorms. waves
2 feet or less.
.saturday...west winds 5 to 10 knots veering to the north. a
chance of thunderstorms early in the morning. a chance of showers
early in the morning. waves 2 feet or less.
.sunday...north winds 5 to 10 knots. a chance of showers early in
the evening. waves 2 feet or less.
$$
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